120Finally, the American College of Sports Medicine recommends thatyou see your doctor before engaging in vigorous exercise if two ormore of the following apply:• You are a man older than age 45 or a woman older than age 55;• You have a family history of heart disease before age 55;• You smoke or quit smoking in the past six months;• You have not exercised for three months or more;• You are overweight or obese;• You have high blood pressure or high cholesterol;• You have impaired glucose tolerance, also called prediabetes.When in Doubt — Check It OutIf you are unsure of your health status, have several health problems,or are pregnant, you should speak with your doctor before starting anew exercise program. Working with your doctor ahead of time is agood way to plan an exercise program that is right and safe for you.Consider it the first step on your path to physical fitness.Apps